SIMPLE  =                    T / file does conform to FITS standard             BITPIX  =                    8 / number of bits per data pixel                  NAXIS   =                    1 / number of data axes                            NAXIS1  =                    0 / length of data axis 1                          EXTEND  =                    T / FITS dataset may contain extensions            COMMENT   FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT   and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H HISTORY fimgcreate 1.0b at 2013-08-04T13:48:34                                  DATE    = '2013-08-04T13:48:34' / file creation date (YYYY-MM-DDThh:mm:ss UT)   INSTRUME= 'UVOT    '                                                            TSTART  =      396448139.65526                                                  TSTOP   =      396448289.51222                                                  DATE-OBS= '2013-07-25T11:37:10'                                                 DATE-END= '2013-07-25T12:31:26'                                                 OBJECT  = 'Burst   '                                                            PROCVER = '3.15.06 '           / Processing script version                      SOFTVER = 'Hea_07Jun2011_V6.11_Swift_Rel3.8(Bld27)_07Apr2011' / HEASOFT and SwifCALDBVER= 'b20090130_u20111031_x20110725_m20130606' / CALDB index versions used TIMESYS = 'TT      '           / time system                                    MJDREFI =                51910 / MJD reference day 01 Jan 2001 00:00:00         MJDREFF =        0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:CLOCKAPP=                    F / If clock correction are applied (F/T)          TIMEUNIT= 's       '           / Time unit for timing header keywords           ATTFLAG = '111     '           / Orgin of attitude information                  UTCFINIT=    -10.8321200000000 / [s] UTCF at TSTART                             CHECKSUM= 'Zhh3gfh1Zfh1ffh1'   / HDU checksum updated 2013-08-04T15:19:27       DATASUM = '         0'         / data unit checksum updated 2013-08-04T15:19:27 END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'IMAGE   '           / IMAGE extension                                BITPIX  =                   32 / number of bits per data pixel                  NAXIS   =                    2 / number of data axes                            NAXIS1  =                  160 / length of data axis 1                          NAXIS2  =                  160 / length of data axis 2                          PCOUNT  =                    0 / required keyword; must = 0                     GCOUNT  =                    1 / required keyword; must = 1                     MESGNAME= 'UVOT_GENI_IMAGE'    / Name of the message                            TELESCOP= 'SWIFT   '           / Telescope (mission) name                       INSTRUME= 'UVOTA   '           / Instrument name                                OBS_ID  = '00563980000'        / Observation ID                                 TARG_ID = '563980  '           / Target ID                                      SEG_NUM = '0       '           / Segment number                                 CREATOR = 'TDRSS2FITS V3.22'   / Program that created this FITS file            ORIGIN  = 'GSFC    '           / Source of FITS file                            TLM2FITS= 'V3.22   '           / Telemetry converter version number             EQUINOX =                 2000 / Equinox                                        RADECSYS= 'FK5     '           / Coordinates system                             TIMESYS = 'TT      '           / Time system                                    MJDREFI =               51910. / Reference MJD Integer part                     MJDREFF =        0.00074287037 / Reference MJD fractional                       TIMEUNIT= 's       '           / Time unit for the time header keywords         TIERRELA=               1.0E-8 / [s/s] relative errors expressed as rate        TIERABSO=                  1.0 / [s] timing  precision  in seconds              CLOCKAPP=                    F / If clock correction are applied (F/T)          TIMEREF = 'LOCAL   '           / Time reference (barycenter/local)              TASSIGN = 'SATELLITE'          / Time assigned by clock                         DATE    = '2013-08-04T13:20:43' / file creation date (YYYY-MM-DDThh:mm:ss UT)   UTCFINIT=    -10.8321200000000 / [s] UTCF at TSTART                             TSTART  =      396448139.65526 / Start time                                     DATE-OBS= '2013-07-25T12:28:56'                                                 TSTOP   =      396448289.51222 / Stop time                                      DATE-END= '2013-07-25T12:31:26'                                                 TELAPSE =     149.856959998608 / TSTOP - TSTART                                 ONTIME  =     149.856959998608 / Sum of GTIs                                    LIVETIME=     149.856959998608 / Ontime multiplied by DEADC                     EXPOSURE=     149.856959998608 / Total exposure, with all known correction      DEADC   =                   1. / dead time correction                           EXTNAME = 'wh396448139I'       / Extension name                                 HDUCLASS= 'OGIP    '           / Format conforms to OGIP standards              HDUCLAS1= 'IMAGE   '           / Image data                                     HDUCLAS2= 'TOTAL   '           / Total data values                              DATAMODE= 'IMAGEEVENT'         / Instrument operating mode                      EXPID   =            396448139 / uvot EXPosure ID                               FILTER  = 'WHITE   '           / FILTER used in exposure                        DETNAM  = '2000    '           / WHEELPOS                                       RA_PNT  =     229.998725618631 / [deg] Ra Pointing                              DEC_PNT =    0.634101283545748 / [deg] Dec Pointing                             PA_PNT  =             290.3742 / [deg] Position angle (roll)                    WINDOWX0=                  563 / Lower left hand X                              WINDOWY0=                 1027 / Lower left hand Y                              WINDOWDX=                  320 / X Window width                                 WINDOWDY=                  320 / Y Window width                                 NFRAMES =                13574 / number of frames included                      GRBLOC  =                    0 / GRB Location 1=XRT 0=MODE CMD                  BPEHWIN =                    0 / BPE hardware window height                     BINX    =                    2 / Binning in the x-axis                          BINY    =                    2 / Binning in the y-axis                          CMPCNTMN=                    F / Compression losses didn't occurred in the imageCMPOTHRS=                 8191 / Overflow of lossy compression algorithm        CMPUTHRS=                -8192 / Underflow of lossy compression algorithm       CTYPE1  = 'RAWX    '           / WCS  axis type                                 CUNIT1  = 'pixel   '           / WCS axis unit                                  CRVAL1  =                563.5 / WCS reference value                            CDELT1  =                    2 / WCS coordinate increment                       CRPIX1  =                   1. / WCS Reference point                            CTYPE2  = 'RAWY    '           / WCS  axis type                                 CUNIT2  = 'pixel   '           / WCS axis unit                                  CRVAL2  =               1027.5 / WCS reference value                            CDELT2  =                    2 / WCS coordinate increment                       CRPIX2  =                   1. / WCS Reference point                            UTCCTIME=            -10.83212 / [s] UTC Correction time                        UTCCSEC =                  -11 / UTC Correction Seconds                         UTCCSUBS=                 8394 / [2*10**(-5) s] UTC Correction SubSeconds       PKTTIME =      396448389.69556 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5      PKTSEC  =            396448389 / ccsds PacKeT SEConds                           PKTSUBS =                34778 / [2*10**(-5) s] ccsds PacKeT SUBSeconds         APID    =                  843 / Application Process Identifier                 BLANK   =          -2147483648 / Data null value                                CHECKSUM= 'ZA5YZ35YZA5YZ35Y'   / HDU checksum updated 2013-08-04T15:19:27       DATASUM = '664094  '           / data unit checksum updated 2013-08-04T13:20:43 PROCVER = '3.15.06 '           / Processing script version                      SOFTVER = 'Hea_07Jun2011_V6.11_Swift_Rel3.8(Bld27)_07Apr2011' / HEASOFT and SwifCALDBVER= 'b20090130_u20111031_x20110725_m20130606' / CALDB index versions used ATTFLAG = '111     '           / Orgin of attitude information                  END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             %*  '#)" !" !!%#" #  $
!!!$!%  $!$"$%
" !!& !!  "! ! %"    $ #!!!
 ###### !"!" !)#(  %!!"#!!  !!" %## ! #!  " %$ !#"!!!"!" !  ()!!! ## !% % ! ) !(2!$ !*" !##!#$! ,  !"# )"!$#!%,* !'"$!&%"') "& #"  % !*'*  #"" ! "! &*")%("&)" ))&"   !##%!!+!$#   )( ! '##  !#! #  (!%,*!% $!% !
# !  #"!#$!&.%#   #
! "!$$)!!("!!"  % #"!#
"%%  %"$ ') !! )$&$! $)!#)'" " !!*&! $%%&!! $ ! %#  #$*
"#$!  #"
 !$"  %!   # *  " #"#$'"%#$("!!%  ! #!!$"
*$! 
$"
     %!$# ! '$!& " !!##"(!# #!!'*# "$ "%
 !"! "  "" !%"! "! #"!#"%!"&! $
!$ &! $ !& & &"#"!'   !$% $$! !$ 
!!#! "
$("'$#,#" #""!!! +% !  !& "#! ! #! ! '%$ !$$!& %*"(# #"!" (# #$!&&!$" %!#$ !!,"'#!"!" " ##!&&!" $&$'" "&! !  %+$!$!!!&%$*

#""!""$ %!#!  !#%&! %$(# !  $&" "%# ""!  !*$#"!
"   $"% &!##
 #% )!"! %&)!! !)"#&#"! ""!$!' ! '$!
 #!$  " !# ""$!"!"% !%#)!#$" $  ! $!"!#!$! ! # $#(#%!$ !!"!# 
$ $%(&"  !" $! ! ' "'#( %%"'"  "#!%$#!"##!#"!#  "!!%  ""!!#$$!  $!""$! #  %'$#!  "  ! 
""!#$
" &'$! !! !"#
$% !%","$$ %!  "$"#!$"#!#) #" " &  ""!&!%&$$)!#&+ "#"%  "$ !"##% %&$ $&
#!"%$ #%"$  *! " $(&"!$$$## !#!$ ! !#   #( ! $&"!#%!%$
"#!#"" " !" "% %! ! "!&&"#$* &!"  *!- $")!!!"$("! %!$ " "!"  &""*!"&" "
 !!#!"%  "$("&%! %#&$!% !$ !   %#!#"$##)'!"!' !!$ "   
 """!#! !## !"!(#!!"!  !""%$"%%" " $"#! "%!  !!#&  $
#!"$"   ,! !#"$# ! !%! 
%"! !!!"&! "*!"
' !$$#!&!%!(!" &   !""!!" ( %$) "(!%&!   # '"! "!,* !! ! !#!%"& #$* % #%'$"#$(!$"!"& !  #  !  !"&  $""%&"""""#%' !"   '#&#%  ! !$ !!!   !"# %"!$&%""!!!"!!#!# '$ !  !"&
 & "# !  %!#! !# " !% %' - %  " ! #""! $!"!   "#   # " $$& !#$'!" !!!!! " !#$# & &## $   $""'  "#  (  &"#%*#&   "! 
"    !#!   "" 
!#!#&
#(!$
#*## %&$ !!%! #   !"("! #   $ %   
!
%"#"! #, %  !" !!#!!#" "   & )#!" $!
%  #%"!! "$ %*#!$!$!&"$$' "!$ """! !!"(!"$&#%#!'# $#!!# "!"# !"#  !) $" !$%"!*! ## " #% !
!# "%&%&! !&!!% ,  $%!" (%(%!*% ($#! !!)$&$#"!$!!! "#  
 &%#  !# $"!%!"!"" ! # !   !"$#,'!)""$#"$    !#  )! "!! !"$ " $ '"%!&"'!!
!"##  % " !  !!! #!-$+$!"#!#&!! $!! !$!#!  # $!#   !"  * %!!$!!! " "$#!  
  #"  !*# !% $#"!%##!'")##!" """#& "$#"$$!*#*#"$" !$",! " !$ &#!&(!"(#%##*&'##)!($   """ !" !"""$#!#! $!!&$!"" &!!%  # + %"$#%#%!##'( "&!#" "!%!&%%$!" #"#!&%$#"!%!! "#!!"#%"""#% '"%!!!" ""   %!("!## $#%!" #($#
$"  # ## !&!"$!  '!!%! "
""% " !! $!'    #
! # !!" &$% !#  "!# %!"(#  %%"!"$$%%  #"!!!!" "'"(#  #!$#"!  !!" * &!   ,"$" "(""# !! !'&)# "$(%,"   )&$#%%&#"#$"#" #" %$""$%$#"!!")!" )%  !"!     !#"$ 
(%  -#  
%!#"#"! "##!"!)
!"%
#""#'!$ '#"'"(##"!"#"&")! !#!  #& $ %!!  !#" " "
" "!$$""!"" %$# $!#!%"))"#   $(&"!.!!#&!$ ! &&!  #!$"## "### ' $ $ #$ #"%  #("  (& &!!! ###'!"" #'(  3#!+" !#  &"!! && & #'6EA3 "'# " !!!)"! "#! ( !  &" #"
*+IH-#"$"%"% !$ ""&" $$  #'!"*EM9. !! ! $!%%% #!! #)./$)%!"#!  &!!) &%! ! $"!!) & ! %!!##!!   !%!!!&&#  ('!#!%#$& ""*&! # $#$&"%"&$$  !!# # !!!!$#""!!#!  $&!&,#$ $%!
'# !%!
"!  !$ $%" !! !!#!%!  !
! $!!"$!!% %
&$$#
 "$" %! ""  "! #"#!& ""#!"   !!!&$! ! ( " !'  '    #!"%&%!! !#""#!%" &  !"!  "$!#)%""  ##%""",&  #""#  ! "!"## ! &&"$   !#!!#$!&!!&#
 #!&#!"!" %$ 	!""! 0"#  !$&! !#  !  ! !%  (!"%"' " %#$ ! '' !"!!!#" $!$" $+!#." $""! )%"%"# (' "!# %! $!""!* % 0   "  # $"#  "# )
 !'8A1#&!   $! "##"$  !&!&"$&NF5$ %!  !)"" !#+$"!
  !#"6A5#!$"   *!!! *&%" $+0'"& &#'#%!&!!#"$%.6$!!%###!"!$$$ ( "  &#$ $!!""! ($")!%" +$$#! ! "$!! '&"$"#" *#(%'! $#!#!' $-  !, ($# %! $$%$ %  #
!' !!$!!% $ ')!  )!$$ %&*#"!#&'"$"#%$""! !""!$ " ! !"!#&!!"! !!'"##) '$%!"'&! !("! ! !"! ""%(# !%!$" %
#" """  "$!#!(!"" "!$(%!&$+# & "
 !$%* #! !"''#%" "%!(#!!  #%!%  ')(!$ ""! #"$"!$'!!!# #&2% & '$"%&$ )&$!###;(#"#'% $# " $  ""!#! !!%#&'$54% ! $ #!#!
!""!!("'!  " !"&" !! !  , $  $$$!%$'!)!' "!  '!"!'#!%$) "$# ('$#*(!!"!$ " )#!&   !##$$"" $! 
)  %
"#!-!!!
#%!"&"  !&   %!$   " !"&!!!(00( !! . $  &"! #" *( !* !'"!% 5ZxY40
% '$## %!! "*  # &  "(#!$!